/* PDF Unlocker Light Theme Styles */

/* Upload Card */

/* Dark mode overrides */
[data-theme="dark"] {
    --tool-bg: #0f172a;
    --tool-border: #334155;
    --tool-border-hover: #475569;
    --tool-text: #f8fafc;
    --tool-text-secondary: #94a3b8;
    --tool-input-bg: #1e293b;
    --tool-input-border: #334155;
    --tool-button-bg: #1e293b;
    --tool-button-hover: #334155;
    --tool-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --tool-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --background-color: #0f172a;
    --text-color: #f8fafc;
    --status-info: rgba(96, 165, 250, 0.2);
    --status-success: rgba(34, 197, 94, 0.2);
    --status-error: rgba(248, 113, 113, 0.2);
    --bg-color: #0f172a;
}

/* Dark mode element overrides */
[data-theme="dark"] .tool-card {
    background: var(--bg-card, #1e293b);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] .tool-hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--input-bg, #1e293b);
    color: var(--text-primary, #f8fafc);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted, #64748b);
}

[data-theme="dark"] .tab-btn.active {
    color: white;
}

[data-theme="dark"] label {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] p {
    color: var(--text-secondary, #cbd5e1);
}
.upload-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.upload-card.completed {
    border-color: var(--success-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(34, 197, 94, 0.05) 100%);
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
    transform: scale(1.02);
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.upload-zone:hover::before {
    left: 100%;
}

.upload-content {
    position: relative;
    z-index: 1;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.upload-zone h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.upload-zone p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.browse-btn {
    background: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.browse-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.file-requirements {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.req-icon {
    opacity: 0.7;
}

/* Password Card */
.password-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.password-card.completed {
    border-color: var(--success-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(34, 197, 94, 0.05) 100%);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.password-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.current-file-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    var(--bg-primary)-space: nowrap;
}

.action-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.action-btn:hover {
    background: var(--hover-color);
    transform: translateY(-1px);
}

/* File Info Display */
.file-info-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.file-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.info-value {
    color: var(--text-primary);
    font-weight: 600;
}

.security-status.protected {
    color: var(--warning-color);
}

.security-status.unprotected {
    color: var(--success-color);
}

/* Password Section */
.password-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.password-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.password-type {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--card-bg);
}

.password-type:hover {
    border-color: var(--primary-color);
    background: var(--hover-color);
}

.password-type.active {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.1);
}

.password-header {
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-info {
    text-align: center;
}

.password-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.password-icon {
    font-size: 1.25rem;
}

.password-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Password Input Section */
.password-input-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.password-field {
    position: relative;
}

.password-input {
    width: 100%;
    padding: 1rem 3rem 1rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--card-bg);
    color: var(--text-primary);
}

.password-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.password-visibility {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.password-visibility:hover {
    background: var(--hover-color);
}

/* Password Options */
.password-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.password-hints {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hint-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hint-icon {
    opacity: 0.8;
}

/* Unlock Actions */
.unlock-actions {
    margin-top: 2rem;
    text-align: center;
}

.unlock-btn {
    background: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 200px;
    justify-content: center;
}

.unlock-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.unlock-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Unlock Status */
.unlock-status {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Progress Card */
.progress-card {
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    animation: slideInUp 0.5s ease;
}

.progress-card.completed {
    border-color: var(--success-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(34, 197, 94, 0.05) 100%);
}

.progress-content {
    text-align: center;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.progress-text {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.progress-percent {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #3b82f6);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.progress-details {
    text-align: left;
}

.current-operation {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.unlock-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.unlock-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.unlock-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.unlock-value {
    color: var(--text-primary);
    font-weight: 600;
}

/* Results Card */
.results-card {
    background: var(--card-bg);
    border: 2px solid var(--success-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    animation: slideInUp 0.5s ease;
}

.results-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.results-content {
    text-align: center;
}

.success-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    animation: bounceIn 0.6s ease-out;
}

.success-state h4 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

/* Unlock Summary */
.unlock-summary {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 1.5rem 0;
}

.unlock-details h5 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.unlock-details h5::before {
    content: '🔓';
}

.unlock-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.detail-icon {
    font-size: 1.5rem;
    opacity: 0.8;
}

.detail-content {
    flex: 1;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

.security-unlocked {
    color: var(--success-color);
}

/* Security Notice */
.security-notice {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid #fbbf24;
    border-radius: 8px;
    padding: 1rem;
    text-align: left;
}

.notice-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.notice-icon {
    font-size: 1.25rem;
}

.notice-title {
    color: var(--text-primary);
    font-weight: 600;
}

.notice-content p {
    color: var(--text-primary);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Download Section */
.download-section {
    margin-top: 2rem;
}

.download-btn {
    background: var(--success-color);
    color: var(--bg-primary);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.download-btn:hover {
    background: #16a34a;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3);
}

.file-info {
    display: flex;
    justify-content: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Error Card */
.error-card {
    background: var(--card-bg);
    border: 2px solid var(--error-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    animation: slideInUp 0.5s ease;
}

.error-content {
    text-align: center;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.error-content h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.error-message {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 2rem;
}

.error-suggestions {
    text-align: left;
    background: var(--surface-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.error-suggestions h5 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.suggestion-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.suggestion-icon {
    font-size: 1rem;
    opacity: 0.8;
}

.error-actions {
    display: flex;
    justify-content: center;
}

.retry-btn {
    background: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.retry-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Toast System */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    min-width: 300px;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--error-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-info {
    border-left: 4px solid var(--primary-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.toast-close:hover {
    background: var(--hover-color);
    color: var(--text-primary);
}

/* Use Cases */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.use-case {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.use-case:hover {
    background: var(--hover-color);
}

.case-icon {
    font-size: 1.5rem;
    opacity: 0.8;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.case-content h5 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.case-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .file-requirements {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }
    
    .file-info-display {
        grid-template-columns: 1fr;
    }
    
    .password-types {
        grid-template-columns: 1fr;
    }
    
    .unlock-info {
        grid-template-columns: 1fr;
    }
    
    .unlock-info-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases {
        grid-template-columns: 1fr;
    }
    
    .toast-container {
        top: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .toast {
        min-width: auto;
    }
    
    .suggestion-list {
        gap: 1rem;
    }
    
    .unlock-summary {
        gap: 1.5rem;
    }
}